Geography / Year 7 / Geographical Knowledge and Understanding / Unit 1: Water in the world

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The 1994 discovery of the Wollemi Pine in the Blue Mountains was a momentous event, but the story doesn't end there. This ancient 'living fossil' species is millions of years old but was on the brink of extinction. Watch this clip to explore the remote canyon environments where it grows and find out about the remarkable ...

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Australia's rainfall is best described as 'unreliable'. Long periods of drought can quickly give way to extensive floods. This clip uses animations to help you understand how the El Nino and La Nina phenomena contribute to Australia's climate patterns.

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Peter Andrews is a natural engineer. His 'leaky weirs' are helping to keep farm soils hydrated, even in extended periods of drought. Peter appears to be working in concert with nature, so why are his ideas so revolutionary?

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The Hawkesbury-Nepean river catchment provides a useful example of river management issues. This clip shows conservationist canoeists completing their journey along the Hawkesbury River in the 'Source to Sea' project. See what's being done to protect a fragile ecosystem of the river: seagrass. Find out how increased demand ...

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The Yucatán Peninsula is located in south-eastern Mexico and covers a vast area of coastline south of the Gulf of Mexico. It is a popular tourist destination for people who travel to cities such as Cancún to enjoy sandy white beaches. Explore the subterranean freshwater caverns of this region and discover why this pristine ...

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Farmers along Victoria's Upper Murray claim that soil erosion on their properties is being caused by water released from the Snowy Mountains Scheme, a hydro-electricity project located in the Southern Alps. This clip from 2013 investigates the degradation occurring in an area where prime agricultural land is valued at 10,000 ...

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Could it be that nature has its own system of creating water reserves to help the country get through dry times? Peter Andrews thinks so. His approach provides an alternative to the way most farmers manage water resources. But some of Peter's ideas have caused ripples of discontent, especially among authorities and his neighbours.

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If the Lao Government's plans are realised, nine hydropower dams will be built across the Mekong River in Laos, and more across its tributaries. The government wants the country to become the 'battery of Asia'. With this dream comes a host of issues. Listen to reasons why the World Wildlife Fund (WWF) suggests hydro-dam ...

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Did you know that the world's oceans provide the oxygen for every second breath you take? While oceans represent the largest habitat on Earth, they remain relatively unexplored. What is clear is that the oceans play a major role in shaping life on this planet. Watch this clip and prepare to be amazed!

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Australia's climate is characterised by regular cycles of flood and drought. But the same cycles also affect our near neighbours in the Pacific Ocean. In this animation the Climate Crabs take us on a journey through the Pacific Islands as we learn more about the climatic phenomena known as El Nino and La Nina.